نتایج جستجو برای: electrochemical properties
تعداد نتایج: 911496 فیلتر نتایج به سال:
We have fabricated atomic-scale metal wires with quantized conductance in electrolytes and studied double layer charging, anionic adsorption and surface stress effects on the quantum transport in the wires. In the double layer charging regime, the conductance changes linearly with the potential, which can be attributed to a change in the amount of electron spill-out of the wire. A large change ...
In this seminar, I will present our recent work on the growth and electrochemical properties of single crystalline vanadium pentoxide (V2O5) nanorod and Ni-V2O5·nH2O nanocable arrays. These nanostructures were prepared by solution synthesis and template-based electrodeposition. Processing, morphology, structure and electrochemical properties of these nanostructures will be discussed. These nano...
Measuring electrochemical activities of nanomaterials is critical for creating novel catalysts, for developing ultrasensitive sensors, and for understanding fundamental nanoelectrochemistry. However, traditional electrochemical methods measure a large number of nanoparticles, which wash out the properties of individual nanoparticles. We report here a study of transient electrochemical oxidation...
The electrochemical detection of metal complexes in the photoexcited state is important for understanding photoinduced electron transfer (PET) processes, which play a central role in photo-energy conversion systems. In general, however, the redox potentials of excited states have been indirectly estimated by a combination of spectroscopic properties and ground-state redox potentials. To establi...
در دهه اخیر تحقیقات زیادی در زمینه ساخت نانو سیم های مغناطیسی به روش های مختلف و کاربرد آن ها برای ساخت حافظه های مغناطیسی صورت گرفته و همچنین بررسی تاثیر شرایط ساخت و پارامترهای هندسی نانوسیم ها بر خواص مغناطیسی آن ها مورد توجه بوده است. یکی از روش های ساخت نانو سیم های مغناطیسی استفاده از قالب های حفره دار آلومینا و پر نمودن آن ها به روش الکتروشیمی می باشد. در متن حاضر نتایج فعالیت های انجا...
BODIPY (boron dipyrromethene) dyes are unique materials with spectroscopic and electrochemical properties comparable to those of aromatic hydrocarbons. Electrochemical studies are useful in understanding the redox properties of these materials and finding structure-stability relations for the radical ions; along with spectroscopy, these studies help researchers design novel compounds with desir...
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